harmonic.ai
In short: Getting listed on Harmonic is free, with optional paid upgrades. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Submit accurate company, founder and product details so your tool can be evaluated for Harmonic's startup database.
Submit accurate company, founder and product details so your tool can be evaluated for Harmonic's startup database.
Submission does not guarantee inclusion or how Harmonic displays the data; use a work email and verifiable company information.
Open the submission page on harmonic.ai and complete its form — that is the "Open submit page" link at the top of this page.
Submission does not guarantee inclusion or how Harmonic displays the data; use a work email and verifiable company information.
Priority sets the band — this one is high. Cost (free + paid tier) and effort (moderate) move it within that band, which puts it in the high impact tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.